Layer breeding strategies: an overview
AK Thiruvenkadan, S Panneerselvam… - World's Poultry …, 2010 - cambridge.org
Layer breeding companies apply selection criteria to improve over 30 traits important for
commercial egg production. Intensive selection for egg production over the decades has …
commercial egg production. Intensive selection for egg production over the decades has …
Changes in the Control of the Hypothalamic-Pituitary Gonadal Axis Across Three Differentially Selected Strains of Laying Hens (Gallus gallus domesticus)
C Hanlon, K Takeshima, GY Bédécarrats - Frontiers in physiology, 2021 - frontiersin.org
Genetic selection for earlier sexual maturation and extended production cycles in laying
hens has significantly improved reproductive efficiency. While limited emphasis has been …
hens has significantly improved reproductive efficiency. While limited emphasis has been …
Male and female fertility and hatchability in chickens: A longitudinal mixed model approach
RL Sapp, R Rekaya, I Misztal, T Wing - Poultry Science, 2004 - Elsevier
The objective of the current study was to investigate different approaches for handling
missing records and to develop and implement a multivariate longitudinal mixed model for …
missing records and to develop and implement a multivariate longitudinal mixed model for …
Quantitative genetic parameter estimates for size and growth rate traits in Pacific white shrimp, Penaeus vannamei (Boone 1931) when reared indoors
CI Pérez‐Rostro, AM Ibarra - Aquaculture Research, 2003 - Wiley Online Library
Heritabilities of size traits and growth rate traits, as well as genetic, phenotypic and
environmental correlations were estimated at three ages for a captive population of Pacific …
environmental correlations were estimated at three ages for a captive population of Pacific …
[HTML][HTML] Estimation of genetic parameters for cumulative egg numbers in a broiler dam line by using a random regression model
PT Luo, RQ Yang, N Yang - Poultry science, 2007 - Elsevier
The random regression model (RRM) methodology was applied to the estimation of genetic
parameters for cumulative egg numbers and monthly egg production in a broiler dam line …
parameters for cumulative egg numbers and monthly egg production in a broiler dam line …
Genetic parameter estimates for reproductive traits and egg composition in Pacific white shrimp Penaeus (Litopenaeus) vannamei
FG Arcos, IS Racotta, AM Ibarra - Aquaculture, 2004 - Elsevier
We estimated the heritabilities and genetic correlations for reproductive traits and egg
composition in female shrimp, Penaeus (Litopenaeus) vannamei. The traits under analysis …
composition in female shrimp, Penaeus (Litopenaeus) vannamei. The traits under analysis …
Monthly model for genetic evaluation of laying hens II. Random regression
A Anang, N Mielenz, L Schüler - British Poultry Science, 2002 - Taylor & Francis
1. We investigated the use of monthly production records for genetic evaluation of laying
hens, derived from a test day model with random regression in dairy cattle and compared it …
hens, derived from a test day model with random regression in dairy cattle and compared it …
Use of mixed model methodology in poultry breeding: Estimation of genetic parameters
T Szwaczkowski - Poultry Genetics Breeding and Biotechnology, 2003 - books.google.com
Although a number of single loci have been identified, genetic backgrounds of a majority of
poultry performance traits are still explained by the probability approach. Generally, three …
poultry performance traits are still explained by the probability approach. Generally, three …
[HTML][HTML] The application of random regression models in the genetic analysis of monthly egg production in turkeys and a comparison with alternative longitudinal …
Random regression models (RR) have become a popular methodology for the genetic study
of longitudinal data since the last decade. The first objective of the current study was to …
of longitudinal data since the last decade. The first objective of the current study was to …
Reproductive broodstock performance and egg quality of wild-caught and first-generation domesticated Seriola rivoliana reared under same culture conditions
MF Quiñones-Arreola, GF Arcos-Ortega… - Latin American Journal …, 2015 - lajar.cl
Almaco jack, Seriola rivoliana as well as some related species is of great interest in marine
fish aquaculture. However, there are few studies about their reproduction in captivity. In this …
fish aquaculture. However, there are few studies about their reproduction in captivity. In this …